Expandable core element for use with an injection molding system



FIG. 1 is a perspective view from above of the expandable core element for use with an injection molding system of our invention in the relaxed, expanded, non-molding position;

FIG. 2 is a perspective view from above of our invention of FIG. 1 in a closed, molding position;

FIG. 3 is a top plan view of our design of FIG. 1;

FIG. 4 is a bottom plan view of our design of FIG. 1; and,

FIG. 5 is a side plan view of our design of FIG. 1, the other side, front and back plan views being the same. 

The ornamental design for an expandable core element for use with an injection molding system, as shown and described. 